package com.qd.panda.service.invoice;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.sys.enums.BaseTableEnum;
import com.qd.common.panda.domain.entity.invoice.UserInvoiceDTO;
import com.qd.panda.mapper.invoice.UserInvoiceMapper;
import com.qd.panda.model.UserInvoice;
import com.qd.system.service.dict.MbUtil;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;

import static java.util.stream.Collectors.toList;

/**
 * 个人开票信息
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class UserInvoiceService extends BaseService<UserInvoiceMapper, UserInvoice> {

    private static final String PREFIX_ID = "panda_user_invoice_userInvoiceId_{0}";

    private final RedisTemplateUtil<UserInvoice> redisTemplateUtil;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public UserInvoiceDTO save(UserInvoiceDTO dto) {
        validator(dto);
        final UserInvoice model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public UserInvoiceDTO update(UserInvoiceDTO dto) {
        validator(dto);
        final UserInvoice historyModel = Optional.ofNullable(getById(dto.getUserInvoiceId())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final UserInvoice model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 删除，单个
     *
     * @param userInvoiceId 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String userInvoiceId) {
        final UserInvoice historyModel = Optional.ofNullable(getById(userInvoiceId)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(userInvoiceId)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
        }
    }

    /**
     * 批量删除
     *
     * @param ids 主键集合
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeBatchIds(List<String> ids) {
        final List<UserInvoice> historyModelList = checkIds(ids);
        try {
            if (!super.removeByIds(ids)) {
                throw new ApiException("批量删除失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(UserInvoiceDTO dto) {
        final QueryWrapper<UserInvoice> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param userInvoiceId 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String userInvoiceId) {
        boolean exists = false;
        if (StringUtils.hasLength(userInvoiceId)) {
            final UserInvoice model = getById(userInvoiceId);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param userInvoiceId 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public UserInvoice getById(String userInvoiceId) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, userInvoiceId);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(userInvoiceId), UserInvoice.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param userInvoiceId 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public UserInvoiceDTO getByIdDto(String userInvoiceId) {
        return Optional.ofNullable(getById(userInvoiceId)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public UserInvoice getOne(UserInvoiceDTO dto) {
        final QueryWrapper<UserInvoice> queryWrapper = createQueryWrapper(dto);
        UserInvoice model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public UserInvoiceDTO getOneDto(UserInvoiceDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<UserInvoice> getList(UserInvoiceDTO dto) {
        final QueryWrapper<UserInvoice> queryWrapper = createQueryWrapper(dto);
        final List<UserInvoice> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<UserInvoiceDTO> getListDto(UserInvoiceDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<UserInvoiceDTO> page(Page<UserInvoice> page, UserInvoiceDTO dto) {
        final QueryWrapper<UserInvoice> queryWrapper = createQueryWrapper(dto, "");
        final Page<UserInvoice> iPage = baseMapper.selectPage(page, queryWrapper);
        return iPage.convert(this::modelToDto);
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(UserInvoice model) {
        if (null == model) {
            return;
        }
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getUserInvoiceId()));
    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<UserInvoice> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getUserInvoiceId())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
            ids.clear();
        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public UserInvoiceDTO modelToDto(UserInvoice model) {
        if (null == model) {
            return null;
        }
        final UserInvoiceDTO dto = new UserInvoiceDTO();
        dto.setUserInvoiceId(model.getUserInvoiceId());
        dto.setTitle(model.getTitle());
        dto.setDutyParagraph(model.getDutyParagraph());
        dto.setMobile(model.getMobile());
        dto.setEmail(model.getEmail());
        dto.setAddTime(model.getAddTime());
        dto.setUpdateTime(model.getUpdateTime());
        dto.setUserId(model.getUserId());
        dto.setTypeHeader(model.getTypeHeader());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public UserInvoice dtoToModel(UserInvoiceDTO dto) {
        if (null == dto) {
            return null;
        }
        final UserInvoice model = new UserInvoice();
        model.setUserInvoiceId(dto.getUserInvoiceId());
        model.setTitle(dto.getTitle());
        model.setDutyParagraph(dto.getDutyParagraph());
        model.setMobile(dto.getMobile());
        model.setEmail(dto.getEmail());
        model.setAddTime(dto.getAddTime());
        model.setUpdateTime(dto.getUpdateTime());
        model.setUserId(dto.getUserId());
        model.setTypeHeader(dto.getTypeHeader());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(UserInvoiceDTO dto) {
        dto.setTypeHeaderDisplay(MbUtil.idToDisplay(dto.getTypeHeader()));
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<UserInvoiceDTO> modelToDtoList(List<UserInvoice> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<UserInvoice> dtoToModelList(List<UserInvoiceDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<UserInvoice> createQueryWrapper(UserInvoiceDTO dto) {
        return createQueryWrapper(dto, "");
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto        查询参数，不为空的属性会被自动加入
     * @param tableAlias 表别名
     */
    public QueryWrapper<UserInvoice> createQueryWrapper(UserInvoiceDTO dto, String tableAlias) {
        final QueryWrapper<UserInvoice> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(tableAlias) && tableAlias.charAt(tableAlias.length() - 1) != '.') {
                tableAlias += ".";
            }
            if (StringUtils.hasLength(dto.getTitle())) {
                queryWrapper.eq(tableAlias + "title", dto.getTitle());
            }
            if (StringUtils.hasLength(dto.getDutyParagraph())) {
                queryWrapper.eq(tableAlias + "duty_paragraph", dto.getDutyParagraph());
            }
            if (StringUtils.hasLength(dto.getMobile())) {
                queryWrapper.eq(tableAlias + "mobile", dto.getMobile());
            }
            if (StringUtils.hasLength(dto.getEmail())) {
                queryWrapper.eq(tableAlias + "email", dto.getEmail());
            }
            if (StringUtils.hasLength(dto.getUserId())) {
                queryWrapper.eq(tableAlias + "user_id", dto.getUserId());
            }
            if (StringUtils.hasLength(dto.getTypeHeader())) {
                queryWrapper.eq(tableAlias + "type_header", dto.getTypeHeader());
            }
        }
        queryWrapper.orderByDesc(tableAlias + "add_time");
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     * @return 主键查询出来的集合
     */
    public List<UserInvoice> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<UserInvoice> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(UserInvoice::getUserInvoiceId).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    private void validator(UserInvoiceDTO dto) {
        if (MbUtil.isNotExists(dto.getTypeHeader(), BaseTableEnum.TYPE_HEADER)) {
            throw new ApiException("抬头类型值错误");
        }
    }
}